AT&T Fiber Hidden Costs: How Much Do You Really Pay?

Look out for these hidden costs on your AT&T Fiber bill.
AT&T Fiber
AT&T Fiber
4.3 out of 5 stars
4.3
  • Icon Blank
    Prices: $55.00–$245.00/mo.
  • Icon Blank
    Speeds: 300–5,000Mbps
  • pro
    Unlimited data
  • pro
    $150.00 installation fee
  • pro
    $99.00 self-installation assistance fee
Brianne Sandorf
Jun 26, 2025
Icon Time To Read4 min read

AT&T Fiber offers good prices, but sometimes your once-reasonable internet bill balloons with hidden costs.

Hidden costs are what they sound like: Fees you didn’t expect to see on your bill. They might be due to one-time costs, ongoing equipment charges, or late payment fees. And sometimes, they’re just a mistake.

While AT&T Fiber doesn't have an extraordinary amount of fees, it has more than some other top providers. However, you can avoid most AT&T Fiber fees, making it still a viable option for households on a strict budget.

How do you read your AT&T Fiber bill?

So how do you know if AT&T fiber is charging hidden costs? Simple—go over your bill.

My colleague Lauren Hannula has AT&T Fiber at her San Diego residence. She's rarely had hidden costs arise; billing for her has been "all good." But she still agreed to share her bill as a visual aid in looking for extra charges.

Lauren's AT&T Fiber bill consists of two simple pages. The first page summarizes the bill: How much and when she paid last month, how much and when to pay next month, and her payment method (autopay).

The second page shows the breakdown of Lauren’s monthly charges. Take a look:

The Monthly charges section lists the monthly cost of Lauren’s internet plan. It also shares in italics what the monthly fee covers (her plan plus AT&T ActiveArmor security software) and the discounts she gets (the autopay and paperless billing discounts). If Lauren were paying for internet equipment, that charge would also appear in this section.

Under Government fees & taxes, you can see the list of local taxes and fees that Lauren pays on her fiber as a California resident.

There’s also a handy-dandy Usage summary to show how much internet data Lauren and her family used last month. And under everything else, AT&T provides tips and tricks for saving money and paying monthly bills.

What does the AT&T Fiber bill tell us?

Lauren’s a longtime AT&T Fiber customer who signed up for the 300Mbps plan for $55 a month. Four years in, AT&T raised her plan price by $5 per month.

"But I didn't do anything about it because it was only $5," Lauren recalls. "And I double-checked the base rate of the plan to make sure it wasn't a billing error ... and yep, they just increased the plan price."

Otherwise, she hasn’t had any trouble with unexpected AT&T charges. Her only extra charge is $0.27 each month to cover California taxes.

If Lauren rented Wi-Fi extenders from AT&T, she would see a $10 fee per extender under Monthly charges. If she paid her last bill late, she would see a charge of $9.99 under Account charges, according to AT&T.

What are AT&T Fiber’s most common hidden costs?

The most common hidden costs for AT&T Fiber customers are one-time installation fees and equipment charges for Wi-Fi extenders. Not everyone needs these extenders, but if your house is big, you might require one or more to get reception in every room.

The $5 price increase Lauren saw on her bill is unusual—AT&T doesn't have automatic price hikes and still offers 300Mbps at $55 a month to new customers (with autopay and paperless billing). Odds are you won't see a sudden increase without warning, but if you do, you can ask AT&T to ensure it's legitimate.

Here’s a full breakdown of fees you might see on your AT&T Fiber bill.

AT&T Fiber hidden fees
TaxesVary by location
Professional installation fee$150.00 one-time payment
Self-installation assistance fee$99.00 one-time payment
Wi-Fi Extender fee$10.00 each month
Late feesUp to $9.99 each late month
Unreturned equipment feesVary by unreturned equipment

Data as of 05/29/2025.

Rest assured that there are some hidden fees you won’t see with AT&T Fiber. For instance, AT&T Fiber has no contracts, so you won’t see any contract renewal or cancellation fees. And AT&T Fiber also comes with unlimited data, which means no surprise data overage charges.

Your first AT&T Fiber bill will be higher

The first AT&T Fiber bill includes extra charges for installation. That's $150 if you go with professional installation, a fee you can avoid by installing the equipment yourself.

However, you actually have to install the equipment on your own. If you call AT&T for help, then wham! You’re suddenly on the hook for 99 bucks as a “self-installation assistance fee.”

Either way, after you pay for installation costs, you shouldn’t see them on your bill again. If you do, that’s an error on AT&T’s side, and you can and should ask them to fix it for you.

How do you avoid AT&T Fiber hidden costs?

With a little effort, you can avoid some hidden AT&T Fiber costs (and lower your AT&T bill in the process). I suggest the following:

  • Install your equipment on your own
  • Pay your monthly bills on time
  • Return any equipment on time

You can’t avoid some AT&T fees, but you can offset some of the costs. For instance, if you really need that Wi-Fi extender, you can bundle your AT&T Fiber with AT&T Wireless and save enough money to cover the monthly $10 fee.

What should you do if you find an extra fee?

If you find a fee on your bill that doesn’t belong, the best strategy is to reach out to AT&T Fiber directly. For instance, when AT&T stopped charging fiber customers for basic equipment, an existing AT&T customer on Reddit noticed their bills still included that fee.

“They told me they only remove it if customers call in and ask,” the customer posted in the AT&T Fiber subreddit. “So if you are still seeing an equipment rental fee, call and ask them to remove it and save $10 a month.”

Get 20% off each month with AT&T Wireless
Deals

Save 20% on your bill each month when you combine your AT&T Fiber with an unlimited AT&T Wireless plan.

How do AT&T Fiber hidden fees compare to other provider hidden fees?

All internet providers have hidden fees, but some have fewer fees than AT&T Fiber. While AT&T's hidden cost roster isn't outrageous, out of our top recommended providers, AT&T Fiber has the second-highest number of extra charges (after Spectrum).

For a comparable provider with fewer hidden fees, check out other top internet service providers, like Google Fiber or T-Mobile 5G Home Internet. Both these providers have affordable service with far fewer fees than AT&T Fiber.

Compare internet provider hidden fees
Service
Advertised price range
Download speed range
Hidden costs
Details
AT&T Fiber$55-$155*300-5000 MbpsTaxes, professional installation fee, installation assistance fee, Wi-Fi extender fee, late fee, unreturned equipment fee
Google Fiber$70-$1501000-8000 MbpsTaxes, unreturned equipment fee
Spectrum$50-$70500-1000 MbpsTaxes, installation fees, automatic price hike, equipment rental fee, late fee, unreturned equipment fee, CA compliance fee
T-Mobile 5G Home Internet$50-$160^292-415 MbpsTaxes, potential connection charge, late fee, unreturned equipment fee
Starlink$80-$500°220-300 MbpsTaxes, professional installation fee, equipment purchase cost, late fee
Offers and availability vary by location and are subject to change. Data verified as of the article's publication date.
* Price after $5/mo Autopay & Paperless bill discount (w/in 2 bills). Plus taxes $ fees. Limited availability. May not be available in your area.
Plus taxes and fees. Upload/download speed and device streaming claims are based on maximum wired speeds. Actual Internet speeds are not guaranteed and may vary based on factors such as hardware and software limitations, latency, packet loss, etc.
Limited time offer; subject to change; valid to qualified residential customers who have not subscribed to any services within the previous 30 days and who have no outstanding obligation to Charter.
^ w/ Auto Pay. Regulatory fees included in monthly price for qualified accounts. See full terms.
° Plus hardware, shipping & handling fees, and tax. Fully refundable. Depending on location, some orders may take 6 months or more to fulfill.

But even with potential hidden costs, AT&T Fiber is still a good bargain. Many of those extra fees are even entirely avoidable by choosing downgraded equipment, self-installing, and paying on time every month.

Enter your zip code in the box below and see whether AT&T Fiber or another equally affordable internet service is available at your place.

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Brianne Sandorf
Written by
After five years with Reviews.org, Brianne can and will tell you which internet or mobile provider you should sign up for. She’s talked with internet customers across the U.S. and beyond and addresses their real-life concerns in every piece she writes. Brianne also created the ratings system for the Reviews.org internet service provider reviews and wrote most of them. Brianne channels her lifelong interest in detective work by hunting for obscure, need-to-know information about internet service providers. She’s always learning so that she can pass her knowledge on to Reviews.org readers. Her writing and expertise have appeared in numerous other publications, including Move.org, Parents.com, and the Stanford student blog. Her work for Reviews.org is also cited in a research paper about smart home assistants titled “Expert-Generated Privacy Q&A Dataset for Conversational AI and User Study Insights.” Brianne is a homegrown Utahn who loves to travel and see new places. She graduated from Westminster College with a double major in honors and creative writing. After 20 years in a 8,000-person city, she now lives in Murray, a bustling metropolis of 50,000 where she and her husband raise their two little girls.

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